1. CLEAN THOROUGHLY: Simultaneous cleaning of the hub and studs using an internal stainless steel stud cleaning system designed to thoroughly remove debris or contaminants from the , tread, studs and brake drums that could affect the overall tire or wheel process 2. QUICK SCALE REMOVER: Easily removes rust, and other debris build up on tire rim, wheel studs and brake drums. Metal scale remover tool for cleaning metal surfaces and bolts or screws, and internal stainless steel bolt 3. WORK WITH IMPACT : Stud rust removal tool can work with 1/2inch drive impact , support air or electric mode for quick cleaning 4. WITH WIRE BRUSH AND GRINDING WHEEL: design has an internal wire brush and a removable grinding wheel on the lower end for effective removal of rust from metal surfaces and screws and bolts, additional grinding wheel attachments can be installed when you want to sand metal surfaces 5. GOOD COMPOSITION: Rust removal tool with 2 grinding wheels, when using with a 1/2inch impact wrench or electric drill for fast and efficient use Please note: There may be slight color difference or discrepancy in the actual product, which does not affect the use, please don't mind, thank you! Color: As Shown Material: Metal+Plastic Package Contents: 1 x Stud Rust Removal Tool 2 x Grinding Wheels Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.